Helicopter

As anyone who has faced major delays at the airport or had to sit for hours ona hot crowded train can tell you things break down from time to time. Thisseries l... » 

As anyone who has faced major delays at the airport or had to sit for hours ona hot crowded train can tell you things break down from time to time. Thisseries looks at six familiar machines and uses illustrations to explore whatcan go wrong with them. It features cartoonstyle illustrations and focuses oncore technology and science concepts. «